- Privacy Statement (current version, from September 2019, updated January 2020).
- Equality and Diversity Statement (current version, from January 2020).
- Social Media Policy (current version, from March 2019).
- Advice about receiving mails and the Society's members' mailing list (January 2020).
- Policy on circulars to the members' mailing list (November 2020).
- Policy on complaints and feedback (December 2020).
- Policy on Conflicts of Interest (December 2020).
- The roles and responsibilities of SMI Officers and volunteers (February 2021).
- Code of Conduct for members of SMI Council (February 2021).
- Policy for recruitment to SMI volunteer roles (February 2021).
- Code of Conduct for those in SMI volunteer roles (February 2021).
